Insert for golf club putter head

Insertable hosel extension for varying offset and inset of golf

Inside weight system for golf mallets or blades

Instructional device for improving golf skills

Instructional golf mat

Instructional swing device

Instrumented golf club system & method of use

Instrumented golf club system and method of use

Instrumented golf club system and method of use

Instrumented sports apparatus and feedback method

Integral molded grip and shaft

Integral sole plate and hosel for a golf club head

Integral sole plate and hosel for a golf club head

Intensified structure for connecting a golf club head body...

Interactive golf driving range facility

Interactive method and apparatus for tracking and analyzing...

Interchangeable and adjustable putter

Interchangeable golf club head and adjustable handle system

Interchangeable golf club heads with shared shaft

Interchangeable golf club heads with shared shaft